Home / 28,376,320.80-42,564,481.20-17,038,912.80

Finding the Fourth Proportional to 28,376,320.80, 42,564,481.20 and 17,038,912.80

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Solution

The fourth proportional to 28,376,320.80, 42,564,481.20 and 17,038,912.80 is: 25,558,369.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,376,320.80 : 42,564,481.20 = 17,038,912.80 : x
  2. Step 2: Convert to fraction form
    28,376,320.80/42,564,481.20 = 17,038,912.80/x
  3. Step 3: Cross multiply
    28,376,320.80x = 42,564,481.20 × 17,038,912.80
  4. Step 4: Simplify right side
    28,376,320.80x = 725,252,483,544,039.50
  5. Step 5: Solve for x
    x = 725,252,483,544,039.50/28,376,320.80
  6. Step 6: Final answer
    x = 25,558,369.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.